diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/common.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/common.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c index fa6bd2d189e5..dc705a224952 100644 --- a/drivers/net/wireless/ath/ath9k/common.c +++ b/drivers/net/wireless/ath/ath9k/common.c @@ -169,6 +169,32 @@ void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow, } EXPORT_SYMBOL(ath9k_cmn_update_txpow); +void ath9k_cmn_init_crypto(struct ath_hw *ah) +{ + struct ath_common *common = ath9k_hw_common(ah); + int i = 0; + + /* Get the hardware key cache size. */ + common->keymax = AR_KEYTABLE_SIZE; + + /* + * Check whether the separate key cache entries + * are required to handle both tx+rx MIC keys. + * With split mic keys the number of stations is limited + * to 27 otherwise 59. + */ + if (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA) + common->crypt_caps |= ATH_CRYPT_CAP_MIC_COMBINED; + + /* + * Reset the key cache since some parts do not + * reset the contents on initial power up. + */ + for (i = 0; i < common->keymax; i++) + ath_hw_keyreset(common, (u16) i); +} +EXPORT_SYMBOL(ath9k_cmn_init_crypto); + static int __init ath9k_cmn_init(void) { return 0; |